they had no idea how tired they were. i have a pretty good idea how tired i have been trying to do all i could on behalf of the obama administration and our country. i want to catch up on sleep, movies, watch a lot of home- improvement television, takes a long walks, spend time with my family and my friends. >> hillary clinton, the u.s. secretary of state, on her last days in office. that brings to days, -- broadcast to a close. you can watch bbc on it our 24 hour news channel. if you like to reach me, you can find me on twitter. for all of us, thank you so much for watching.